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-rwxr-xr-xt/t7607-merge-overwrite.sh16
1 files changed, 16 insertions, 0 deletions
diff --git a/t/t7607-merge-overwrite.sh b/t/t7607-merge-overwrite.sh
index d82349a6a..3988900fc 100755
--- a/t/t7607-merge-overwrite.sh
+++ b/t/t7607-merge-overwrite.sh
@@ -84,4 +84,20 @@ test_expect_success 'will not overwrite removed file with staged changes' '
test_cmp important c1.c
'
+cat >expect <<\EOF
+error: Untracked working tree file 'c0.c' would be overwritten by merge.
+fatal: read-tree failed
+EOF
+
+test_expect_success 'will not overwrite untracked file on unborn branch' '
+ git reset --hard c0 &&
+ git rm -fr . &&
+ git checkout --orphan new &&
+ cp important c0.c &&
+ test_must_fail git merge c0 2>out &&
+ test_cmp out expect &&
+ test_path_is_missing .git/MERGE_HEAD &&
+ test_cmp important c0.c
+'
+
test_done